Im from uk and officially have not been able to access both 'deposit' and 'withdrawal' from 9:26 till 9:56... and counting. I too have a really 'Big issue' with Fulltilt.
Support replied to me to say they're still carrying out scheduled maintenance.
I did check their help page before emailing and that says everything is running properly and I can observe open tables with people playing. Perhaps the site can be open for some countries and not for others?
Perhaps Internet Poker is a better place for this thread but a quick update from FT Support for anyone who can't log in and has come here to see if it's just them:
"A number of our players have reported issues with the client crashing following our most recent update.
The details you have provided have been forwarded to our development team and the issue is currently under investigation.